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应用说明

WHY CHECKSUMS ARE USEFUL• Is my backup
working? Compare a file with it’s backup.• Is my harddisk damaged? Compare a file with it’s checksum
from a year ago.• Is my RAM corrupt? Compare an important file with it’s duplicate.• Is this downloaded
file compromised? Compare a file with it’s checksum on a webpage.

FEATURES• Supported checksum
algorithms: CRC 32, MD5, SHA 1 and MD2, MD4, SHA 2: SHA 224, SHA 256, SHA 384 and SHA 512.• Save a calculated
checksum as .checksum file.• Compare a file on disk, a .checksum file and a manually entered checksum in any
combination.• Guesses what algorithm a given checksum might be created with.• You can test the correctness of
Checksum Utility with zero-length checksums on your own.• Substantial in-app help to let you know, what to do.•
Supports drag and drop.• Checksums can be copied / pasted.• 100% hand crafted native Mac
application.

Tip: Checksum Utility is made to calculate and compare single checksums. If you want to calculate
and compare the checksums of all files in a folder, please take a look at Checksum Folders in the Mac App Store, it is
made specifically for this purpose.

应用说明

WHY CHECKSUMS ARE USEFUL• Is my backup
working? Compare a file with it’s backup.• Is my harddisk damaged? Compare a file with it’s checksum
from a year ago.• Is my RAM corrupt? Compare an important file with it’s duplicate.• Is this downloaded
file compromised? Compare a file with it’s checksum on a webpage.

FEATURES• Supported checksum
algorithms: CRC 32, MD5, SHA 1 and MD2, MD4, SHA 2: SHA 224, SHA 256, SHA 384 and SHA 512.• Save a calculated
checksum as .checksum file.• Compare a file on disk, a .checksum file and a manually entered checksum in any
combination.• Guesses what algorithm a given checksum might be created with.• You can test the correctness of
Checksum Utility with zero-length checksums on your own.• Substantial in-app help to let you know, what to do.•
Supports drag and drop.• Checksums can be copied / pasted.• 100% hand crafted native Mac
application.

Tip: Checksum Utility is made to calculate and compare single checksums. If you want to calculate
and compare the checksums of all files in a folder, please take a look at Checksum Folders in the Mac App Store, it is
made specifically for this purpose.